Sound amplifier cabinet



FIG. 1 is a front prospective view of the sound amplifier cabinet showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a side elevational view as seen from the left of FIG. 2, the opposite side being the same. 

The ornamental design for a sound amplifier cabinet, substantially as shown. 